The word Downhil is misspelled against Downhill, a noun meaning "Declivity; descent; slope."
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Downhill has double 'll' in the end mispronounced as 'l'
Remember double 'LL' appears in the end of this word which should not be misspelled with single 'L'
Wrong Spelling:  downhi-l 
Correct Spelling:  downhi-ll 
Find more incorrect spellings of Downhill to spell right way.